Doubly heavy systems: decays and OPE

Details Doubly heavy systems: decays and OPE Doubly heavy systems: decays and OPE

1999-12-20

arxiv.org/abs/hep-ph/9912424v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 3 figures

Scientific paper

We discuss questions related to the application of OPE for the long-lived systems with two heavy flavors. The values of quark masses entering such calulations are constrained by use of currently available data on the lifetimes of $B_d$ and $B_c$-mesons. The lifetimes of doubly charmed baryons at these values of parameters are evaluated. The necessary comments on the difference in the results obtained previously are made.

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